Question

Rationalise the denominator of 1 / 1- root 7

Answer 1

Answer:

=1\1- root 7 × 1+ root 7/ 1+ root 7

=1+ root7/ (1- root 7) whole square

= 1+ root 7/( 1 - 7) because of square root of seven is been canceled.

The final ans will be.

=1+ root seven/ -6

Answer 2

Answer:

The answer is 1+√7/-6.

Thank you for lot .